53142025530 has 64 divisors (see below), whose sum is σ = 139713019776. Its totient is φ = 12829440000.

The previous prime is 53142025499. The next prime is 53142025561. The reversal of 53142025530 is 3552024135.

It is an interprime number because it is at equal distance from previous prime (53142025499) and next prime (53142025561).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254571 + ... + 413630.

It is an arithmetic number, because the mean of its divisors is an integer number (2183015934).

Almost surely, 2^53142025530 is an apocalyptic number.

53142025530 is an abundant number, since it is smaller than the sum of its proper divisors (86570994246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53142025530 is a wasteful number, since it uses less digits than its factorization.

53142025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668463.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 53142025530 its reverse (3552024135), we get a palindrome (56694049665).

The spelling of 53142025530 in words is "fifty-three billion, one hundred forty-two million, twenty-five thousand, five hundred thirty".